<template>
  <div class="login" v-if="isShow">
    <!-- logo -->
    <div class="logo">
      <img src="../assets/logo/getech_logo.png" alt="" style="width: 100px;">
    </div>

    <!-- <h2>{{ window.location.search.split('?')[2].split('=')[0] }}</h2> -->

    <!-- left message -->
    <div class="title-content">
      <p class="box"><span>O</span>verall</p>
      <p class="box"><span>E</span>quipment</p>
      <p class="box"><span>E</span>ffectiveness</p>
      <p class="box">management system</p>
      <hr>
      <p class="box-title">设备综合效率(OEE)管理系统</p>
    </div>

    <!-- right login -->
    <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">账号登录</h3>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          size="large"
          auto-complete="off"
          placeholder="账号"
        >
          <template #prefix><svg-icon icon-class="user" class="el-input__icon input-icon" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          size="large"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter="handleLogin"
        >
          <template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input
          v-model="loginForm.code"
          size="large"
          auto-complete="off"
          placeholder="验证码"
          style="width: 58%"
          @keyup.enter="handleLogin"
        >
          <template #prefix><svg-icon icon-class="validCode" class="el-input__icon input-icon" /></template>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="large"
          type="primary"
          style="width:100%;"
          @click.prevent="handleLogin"
        >
          <span v-if="!loading" style="color: #000; font-size: 16px;">登 录</span>
          <span v-else style="color: #000; font-size: 16px;">登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>

    <!--  底部 版权  -->
    <div class="el-login-footer">
      <span>Copyright © 2023 Getech All Rights Reserved.</span>
    </div>
  </div>
</template>

<script setup>
  import { getCodeImg } from "@/api/login"
  import Cookies from "js-cookie"
  import { encrypt, decrypt } from "@/utils/jsencrypt"
  import useUserStore from '@/store/modules/user'
  import { ElMessageBox } from 'element-plus'
  import { onActivated, onMounted } from "vue"

  const userStore = useUserStore()
  const router = useRouter()
  const { proxy } = getCurrentInstance()

  const loginForm = ref({
    username: "",
    password: "",
    rememberMe: false,
    code: "",
    uuid: ""
  })

  const isShow = ref(false)

  // const loginRules = {
  //   username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  //   password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  //   code: [{ required: true, trigger: "change", message: "请输入验证码" }]
  // }

  const codeUrl = ref("")
  const loading = ref(false)
  // 验证码开关
  const captchaEnabled = ref(true)
  // 注册开关
  const register = ref(false)
  const redirect = ref(undefined)

  if(window.location.search.includes('ticket')){
    isShow.value = false

    let params = window.location.search?.split('?')[2]?.split('=')
    if(params[0] === 'ticket'){
      userStore.login_sso(params[1]).then((res) => {
        router.push({ path: redirect.value || "/" })
      }).catch(() => {
        ElMessageBox.alert('您暂无权限，请联系管理员，谢谢！', '提示', {
          confirmButtonText: '确定',
          type: 'warning'
        }).then(() => {
          console.log('请联系管理员!')
        }).catch(() => { })
      })
    }
  } else {
    isShow.value = true
  }

  function handleLogin() {
    proxy.$refs.loginRef.validate(valid => {
      if (valid) {
        loading.value = true
        // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
        if (loginForm.value.rememberMe) {
          Cookies.set("username", loginForm.value.username, { expires: 30 })
          Cookies.set("password", encrypt(loginForm.value.password), { expires: 30 })
          Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 })
        } else {
          // 否则移除
          Cookies.remove("username")
          Cookies.remove("password")
          Cookies.remove("rememberMe")
        }
        // 调用action的登录方法
        userStore.login(loginForm.value).then(() => {
          router.push({ path: redirect.value || "/" })
        }).catch(() => {
          loading.value = false
          // 重新获取验证码
          if (captchaEnabled.value) {
            getCode()
          }
        })
      }
    })
  }

  function getCode() {
    getCodeImg().then(res => {
      captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled
      if (captchaEnabled.value) {
        codeUrl.value = "data:image/gif;base64," + res.img
        loginForm.value.uuid = res.uuid
      }
    })
  }

  function getCookie() {
    const username = Cookies.get("username")
    const password = Cookies.get("password")
    const rememberMe = Cookies.get("rememberMe")
    loginForm.value = {
      username: username === undefined ? loginForm.value.username : username,
      password: password === undefined ? loginForm.value.password : decrypt(password),
      rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
    }
  }

  getCode()
  // getCookie()
</script>

<style lang='less' scoped>

.el-form-item {
  margin-bottom: 17px !important;
  margin-right: 0px !important;
}

:deep(input::-webkit-input-placeholder) {
    color: #000;
  }

.login {
  display: flex;
  justify-content:space-around;
  align-items: center;
  height: 100%;
  // background-image: url("../assets/images/login-background.jpg");
  background-image: url("../assets/images/background.jpg");
  background-size: cover;

  .logo {
    position: fixed;
    left: 50px;
    top: 20px;
  }
  .title-content {
    margin-left: 120px;
  }
  .box{
    // transform 做拉伸效果
    // transform: scale(1, 1.4);
    // transform-origin: 0 0;
    margin: 20px 5px;
    font-size: 42px;
    // line-height: 52px;
    font-weight: 600;
    line-height: 50px;
    color: #7f7f7f;
    -webkit-box-reflect:below -18px -webkit-linear-gradient(transparent,transparent 40%,rgba(255,255,255,.5));
    span{
      color: #fff;
      font-family: math;
    }
  }

  .box:first-child {
    margin-top: 0px;
  }
  .box-title {
    margin: 10px 0 0 5px;
    color: #fff;
    font-size: 33px;
    font-weight: 600;
    // text-align: center;
  }
}
.title {
  margin: 0px auto 20px auto;
  text-align: center;
  color: #707070;
  font-weight: 600;
}

.login-form {
  opacity: .7;
  margin-right: 120px;
  border-radius: 6px;
  background: #ffffff;
  width: 340px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 40px;
    input {
      height: 40px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 40px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 14px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>
